Abstract: An LED and a light emitting device are provided, which includes an epitaxial structure, a transparent conductive layer, an insulating structure and a metal reflective layer. The epitaxial structure includes a first semiconductor layer, an active layer and a second semiconductor layer. The transparent conductive layer is disposed on the second semiconductor layer. The insulating structure is disposed on the transparent conductive layer, and an opening is defined in the insulating structure. The transparent conductive layer is exposed from the opening. A step portion is formed on a sidewall of the opening, and divides the opening into a first opening and a second opening. An opening width of the first opening is smaller than that of the second opening. The metal reflective layer is disposed on the insulating structure. The metal reflective layer fills the first opening and the second opening, and forms electrical contact with the second semiconductor layer.

Abstract: A developer supply control device includes: an imaging component; a developer transmission channel for connecting a developer containing device and the imaging component; a developer transmission component, at least partially disposed in the developer transmission channel to transmit developer to the imaging component; a residual information feedback unit, used to send residual information of the developer in the imaging component to an image forming device, where the residual information of the developer is used to determine whether the developer needs to be supplied to the imaging component; and a state detection unit, used to detect a working state of the developer transmission component. When the image forming device acquires the working state information, the residual information of the developer and the working state information are used to determine whether to control the developer containing device to supply the developer to the developer transmission channel.

Abstract: The present disclosure provides a process cartridge and a detection method. A process cartridge, detachably installed on an image-forming apparatus, includes a main body configured to store a developer; and a working element disposed on the main body and configured to detect or obtain a first parameter related to the process cartridge, where when the first parameter or a second parameter obtained based on the first parameter does not meet expectation, the image-forming apparatus controls the process cartridge to stop conveying the developer.

Abstract: The present disclosure provides a detection circuit, an information processing apparatus, a process cartridge and a detection method. The detection circuit includes a detection unit, configured to output a first parameter related to the process cartridge; an information feedback unit, configured to be electrically connected to the detection unit and provide the image-forming apparatus with feedback information according to a connection state between the detection unit and the information feedback unit; and a control unit, configured to control the connection state between the detection unit and the information feedback unit to switch between the first state and the second state according to switching information outputted by the image-forming apparatus. In the first state, the feedback information is related to the first parameter, and the image-forming apparatus is capable of obtaining the first parameter; and in the second state, the feedback information is not related to the first parameter.

Abstract: Disclosed are a roof panel assembly fixing structure and a vehicle. The roof panel assembly fixing structure includes: a roof panel assembly provided at the inner side of the body side inner plate; an upper pillar panel assembly provided at the inner side of the body side inner plate; and an inflatable curtain provided between the body side inner plate and a side wall of the roof panel assembly. An end of the side wall of the roof panel assembly is connected to a top end of the upper pillar panel assembly, and when the end of the side wall of the roof panel assembly is displaced toward a vehicle due to an impact of the inflatable curtain, the top end of the upper pillar panel assembly is configured to avoid a displacement path of the end of the side wall of the roof panel assembly.

Abstract: A hydrolysate compound protein for larval largemouth bass (Micropterus salmoides) and use thereof for aquatic animal feeds. The micro-diet was formulated with the following components: 72-74 parts by weight of a hydrolyzed protein pre-mixture, 3-5 parts by weight of mixed fish soluble meal, 4-6 parts by weight of gluten flour, 2-4 parts by weight of sodium caseinate, and 0.4-0.6 parts by weight of a yeast hydrolysate, where the hydrolyzed protein pre-mixture includes white fish meal, fermented soybean meal, shrimp meal and blood meal with the weight ratio of 58-62:5-7:4-6:2-3. The compound protein is obtained by fully pulverizing the foregoing components, passing through a 100-mesh sieve, fully mixing in proportion, and being hydrolyzed with neutral protease and keratinase.

Abstract: The present disclosure relates to silver paste, and a preparation method and a use thereof, which belong to the field of device packaging technology. The silver paste of the present disclosure is prepared by a silver-ammonia complex and an aldehyde-containing organic solvent, wherein a molar ratio of the silver-ammonia complex to the aldehyde-containing organic solvent is in a range of from 1:1 to 1:5; the silver-ammonia complex is prepared by a silver ?-ketocarboxylate and an amino-containing organic solvent; and a molar ratio of the silver ?-ketocarboxylate to the amino-containing organic solvent is in a range of from 1:1 to 1:5. The silver paste of the present disclosure can achieve large-area (?30×30 cm2) packaging and interconnection of a wide-bandgap semiconductor device within 300° C. under a low pressure (?1 MPa) or without pressures.

Abstract: A method and a device for nidus recognition in a neuroimage, an electronic apparatus, and a storage medium are provided. A collection of neuroimages to be recognized, including a first structural image, a first nidus image, and a first metabolic image, is determined, and then image preprocessing is performed on the collection of neuroimages to acquire a collection of object images including a second structural image, a second nidus image, and a second metabolic image. The collection of object images is input into a trained three-dimensional convolutional neural network to acquire a position of a nidus of the target object, and then the position of the nidus is labeled on the first structural image based on the position of the nidus of the target object to acquire and display an image of the position of the nidus.

Abstract: A split type precisely-anchorable transcatheter aortic valve system comprises a split transcatheter aortic valve anchoring stent (10) and a transcatheter artificial biological aortic valve (20), wherein the shape and structure of the transcatheter aortic valve anchoring stent (10) are matched with the real structure of the aortic valve after the patient's image data is subjected to three-dimensional reconstruction, the transcatheter aortic valve anchoring stent (10) is delivered to the aortic valve position of the patient to be released, deformed and combined with the aortic valve leaflet tissue and the subvalvular tissue of the patient; the transcatheter artificial biological aortic valve (20) is delivered into the transcatheter aortic valve anchoring stent (10) to be released, the valve stent is deformed to expand the valve to the functional state, the transcatheter aortic valve anchoring stent (10) is deformed again and combined with the expanded transcatheter artificial biological aortic valve (20), and m

Abstract: A split type precisely-anchorable transcatheter mitral valve system comprises a split transcatheter mitral valve anchoring stent (10) and a transcatheter artificial biological mitral valve (20), wherein the shape and structure of the transcatheter mitral valve anchoring stent (10) are matched with the mitral valve real structure after the patient image data is subjected to three-dimensional reconstruction, the transcatheter mitral valve anchoring stent (10) is firstly delivered to the mitral valve position of the patient to be released and deformed, and the transcatheter artificial biological mitral valve (20) is in personalized precise alignment and coaptation with tissues on the mitral valve position of the patient and under the petals; the transcatheter artificial biological mitral valve (20) is delivered into the transcatheter mitral valve anchoring stent (10) to be released, the transcatheter artificial biological mitral valve (20) is released and deformed and expanded to a functional state, the transcat

Abstract: A split type precisely-anchorable transcatheter valve-in-ring system comprises a split transcatheter valve-in-ring anchoring stent (10) and a transcatheter artificial biological valve-in-ring (20), wherein the shape and structure of the transcatheter valve-in-ring anchoring stent (10) are matched with the real structure of the annuloplasty ring and supravalvular and infravalvular tissues after three-dimensional reconstruction based on imaging data of a patient who have undergone valve failure after implantation of a annuloplasty ring (30), the transcatheter valve-in-ring anchoring stent (10) is firstly delivered to the patient's failed annuloplasty ring for release, deformation and alignment with the supravalvular and infravalvular tissues of the failed annuloplasty ring; the transcatheter artificial biological valve-in-ring (20) is delivered to the transcatheter valve-in-ring anchoring stent (10) for release, the stent of the transcatheter artificial biological valve-in-ring (20) deforms and expands to the f

Abstract: A method used to repair a workpiece through a combination of laser and an electrochemical reaction is provided. A tool anode is arranged on the back side of the workpiece and is spaced therefrom. A laser beam is focused on an outer surface of the workpiece to realize localized repairing on the back side. The method realizes localized coating repairing on the back side of the workpiece through coordination between the thermal effect of the laser and the electrochemical deposition based on the characteristic of high thermal conductivity of the workpiece. The electrodeposition reaction does not occur in regions that do not need to be repaired. The operating process is simple, the cost of the plating solution is largely reduced, and the problem that the coating on the inner wall of the thin-walled workpiece is difficult to repair due to stripping is solved.

Abstract: A gene related to biosynthesis of ergothioneine is provided. Based on five synthesis genes of ergothioneine in Mycobacteroides abscessus, only an encoding sequence of each of the five genes is retained, and a gene structure of an encoding region in each gene is optimized to obtain genes related to the biosynthesis of the ergothioneine that are stably expressed in rice. These genes have sequences set forth in SEQ ID NO: 1 to SEQ ID NO: 5, and encoded proteins thereof have amino acid sequences set forth in SEQ ID NO: 6 to SEQ ID NO: 10. The gene is transferred into rice to construct a transgenic rice molecular farm to produce the ergothioneine. As a molecular farm, rice seeds do not contain alkaloids or allergens that are harmful to the human body. Moreover, biosynthesized ergothioneine shows the advantages of easy extraction and processing and of low production cost.

Abstract: Provided herein is a bispecific antibody and the use thereof. The bispecific antibody includes an antibody or antibody fragment; the antibody or the antibody fragment is a bispecific antibody or an antibody fragment comprising a first heavy chain, a first light chain, a second heavy chain, and a second light chain; the first Fab region comprises the first heavy chain and the first light chain; the second Fab region comprises the second heavy chain and the second light chain; and a variety of mutations are introduced in the first Fab region and the second Fab region.

Abstract: The split type precisely-anchorable transcatheter tricuspid valve system comprises a split transcatheter tricuspid valve anchoring stent (10) and a transcatheter artificial biological tricuspid valve (20), wherein the shape and structure of the transcatheter tricuspid valve anchoring stent (10) are matched with the tricuspid valve real structure after the patient's image data is subjected to three-dimensional reconstruction, the transcatheter tricuspid valve anchoring stent (10) is firstly delivered to the tricuspid valve site of the patient to be released, deformed and personalized and precise alignment with a supravalvular (40) and subvalvular (50) tissue of the patient's tricuspid valve site; the transcatheter artificial biological tricuspid valve (20) is delivered into the transcatheter tricuspid valve anchoring stent (10) to be released, and the transcatheter artificial biological tricuspid valve (20) is released and deformed and expanded to a functional state, the transcatheter tricuspid valve anchoring

Abstract: A gas water heater includes a bottom housing having an opening, a burner mounted at the bottom housing, and a cover plate assembly mounted at the bottom housing and covering the opening. The cover plate assembly includes a first cover plate and a second cover plate. The second cover plate is located between the burner and the first cover plate. The cover plate assembly has an air inlet channel located between the first cover plate and the second cover plate. The first cover plate has a first flow inlet in communication with the air inlet channel. The second cover plate has a second flow inlet distant from the first flow inlet, and in communication with the air inlet channel and an air inlet of the burner.

Abstract: A split type precisely-anchorable transcatheter aortic valve system comprises a split transcatheter aortic valve anchoring stent (10) and a transcatheter artificial biological aortic valve (20), wherein the shape and structure of the transcatheter aortic valve anchoring stent (10) are matched with the real structure of the aortic valve after the patient's image data is subjected to three-dimensional reconstruction, the transcatheter aortic valve anchoring stent (10) is delivered to the aortic valve position of the patient to be released, deformed and combined with the aortic valve leaflet tissue and the subvalvular tissue of the patient; the transcatheter artificial biological aortic valve (20) is delivered into the transcatheter aortic valve anchoring stent (10) to be released, the valve stent is deformed to expand the valve to the functional state, the transcatheter aortic valve anchoring stent (10) is deformed again and combined with the expanded transcatheter artificial biological aortic valve (20), and m

Abstract: Techniques for performing a scratch space flush of cold tier upsert data into cold tier storage while allowing continued hot tier ingestion are described. Data points to be written into a time series database having a hot tier and a cold tier may be designated to be written directly into the cold tier, bypassing the hot tier that typically stores new data points that eventually are aged out into the cold tier. New data points for insertion directly into the cold tier may be stored to a scratch space storage and moved into the cold tier according to a non-blocking protocol that allows for continued hot tier ingestion without significant service disruptions.

Abstract: A direct design method for generating an osculating curved waverider based on a complex leading edge, includes obtaining a leading edgeleading edge through determining a leading edge of a waverider according to a spread length, a front-to-rear length, and a sweep angle at each position of an aircraft, and arranging leading-edge discrete points on the leading edgeleading edge; drawing a small shock cone corresponding to each leading-edge discrete point by starting from each leading-edge discrete point, taking a local shock angle as a half cone angle and taking a free streamline direction as an axis; finding envelope surfaces of all small shock cones, namely, a shock curved surface corresponding to the leading edgeleading edge; generating a waverider by using the osculating curved waverider design method.

Abstract: The present disclosure relates to a forced oxidation test system, including: forced oxidation subsystems, a first cabinet, a second cabinet, and connecting devices. Inner cavities of adjacent forced oxidation subsystems are arranged in parallel. The forced oxidation subsystems include: forced oxidation portions, inner cavities of adjacent forced oxidation portions being arranged in series. To-be-tested packages are placed on the first cabinet. The second cabinet is connected to the first cabinet through the connecting devices. The forced oxidation subsystems are arranged opposite to the to-be-tested packages. The second cabinet is configured to move along an axis of the connecting devices towards a direction adjacent to the to-be-tested packages until the inner cavities of the forced oxidation portions are sealed and mounted on the to-be-tested packages, such that a replacement gas in the inner cavities of the forced oxidation portions is permeated into the to-be-tested packages.